A professional, highly effective automatic transmission preventive maintenance flushing agent that removes deposits on parts and in the hydraulic system, and allows you to remove insoluble contamination from automatic transmissions. As a result, the service life of parts and the entire unit as a whole increases. Restores performance and eliminates problems associated with abrupt gear changes and other malfunctions. This flushing agent has passed a full complex of tests in chemical laboratories and in the field. It contains an effective complex of detergent and dispersant additives, which easily and in one application removes typical contamination of the valve body channels, torque converter cavities and other automatic transmission mechanisms.